Add 80/50 and 1/90
1st number: 1 30/50, 2nd number: 1/90
80/50 + 1/90 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
1/90 = 1 × 5/90 × 5 = 5/450 - Add the two like fractions:
720/450 + 5/450 = 720 + 5/450 = 725/450 - 725/450 simplified gives 29/18
- So, 80/50 + 1/90 = 29/18
In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50+2/90 80/50+3/90 80/50+5/90 80/50+7/90